Home / 890,985.60-1,336,489.56-589,310.82

Finding the Fourth Proportional to 890,985.60, 1,336,489.56 and 589,310.82

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Solution

The fourth proportional to 890,985.60, 1,336,489.56 and 589,310.82 is: 883,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,985.60 : 1,336,489.56 = 589,310.82 : x
  2. Step 2: Convert to fraction form
    890,985.60/1,336,489.56 = 589,310.82/x
  3. Step 3: Cross multiply
    890,985.60x = 1,336,489.56 × 589,310.82
  4. Step 4: Simplify right side
    890,985.60x = 787,607,758,525.04
  5. Step 5: Solve for x
    x = 787,607,758,525.04/890,985.60
  6. Step 6: Final answer
    x = 883,973.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.